The clear nature of the crystal makes it excellent for working with light energy, both white light and the broader electromagnetic spectrum. The prism refracting light into or out of a chakra area. Out of? Yes, we of course are a light source too. Animated life is just that, Light within matter. Refracting light into the world, hence the colours of the chakras.

One off! So you get the one you see.

Crystal Meaning
The Serene One, aquamarine gives clarity of the mind, aiding personal creativity, thus losing fears and phobias. A great physical, mental and emotional balancer, aquamarine is said to release anger and negativity replacing them with mental peace and clarity. It is also said to aid in meditation, and to give courage and to assist in self-expression.